Home / 709,987.32-1,064,192.11-540,950.34

Finding the Fourth Proportional to 709,987.32, 1,064,192.11 and 540,950.34

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Solution

The fourth proportional to 709,987.32, 1,064,192.11 and 540,950.34 is: 810,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,987.32 : 1,064,192.11 = 540,950.34 : x
  2. Step 2: Convert to fraction form
    709,987.32/1,064,192.11 = 540,950.34/x
  3. Step 3: Cross multiply
    709,987.32x = 1,064,192.11 × 540,950.34
  4. Step 4: Simplify right side
    709,987.32x = 575,675,083,729.82
  5. Step 5: Solve for x
    x = 575,675,083,729.82/709,987.32
  6. Step 6: Final answer
    x = 810,824.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.